The Ephemeris
← Learn

The systems

Common terms

The words that show up in every reading — defined once, honestly, with their origins flagged.

Most of these come from the Western tradition, so they carry a Western accent even when they turn up elsewhere. Where a term means something different in another system, it says so. This is the same glossary that powers the tappable definitions inside your readings.

SignCross-system
One of twelve 30° slices of the zodiac a body sits in (Aries through Pisces).Western uses tropical signs (pinned to the seasons); Vedic uses sidereal (pinned to the stars) — which is why your Vedic Sun can land a sign earlier. Calculated, not interpreted.
HouseCross-system
One of twelve life-domains laid over the chart — self, money, home, career, and so on.Where the houses begin depends on the house system AND your exact birth time. No birth time, no houses — the Engine withholds them rather than guess.
AscendantRising signCross-system
The zodiac degree climbing over the eastern horizon at your birth moment — the start of the 1st house.Moves about 1° every 4 minutes, so it needs an exact birth time. This is the first thing that vanishes when the time is unknown.
AspectWestern term
An angular relationship between two bodies — how many degrees apart they are, and whether that angle is considered meaningful.The classic angles: 0, 60, 90, 120, 180. Vedic aspects work by whole signs and different rules — this is a Western term.
ConjunctionWestern term
Two bodies at roughly the same degree (0° apart). They blend and amplify each other — for better or worse.
SquareWestern term
Two bodies about 90° apart. Friction — the productive kind of problem that makes you do something.
TrineWestern term
Two bodies about 120° apart. Ease and flow — talent that comes cheap, sometimes too cheap to bother using.
OppositionWestern term
Two bodies about 180° apart. A tug-of-war across the chart; you meet the theme through other people.
OrbWestern term
How far from exact an aspect can be and still count. A square with a 2° orb means 88°–92°.Tighter orb = stronger aspect. The Engine reports the exact degree; the orb is where interpretation begins.
TransitCross-system
Where a planet is in the sky right now (or on a date you choose) versus where it sat at your birth. The engine of timing.Calculated for the real apparent positions — no birth time needed for the transiting planets themselves, though houses still need your natal time.
StelliumWestern term
Three or more bodies clustered in one sign or house — a concentration of weight in that part of the chart.
RetrogradeCross-system
When a planet appears to move backwards from Earth's vantage point.It's an optical effect of orbits, not a planet actually reversing. The Engine computes the true apparent motion — nothing mystical in the math.
NodeLunar nodes (North & South)Cross-system
The two points where the Moon's orbit crosses the Sun's path — always exactly opposite each other.Calculated points, not bodies. Western and Vedic both use them but read them differently.
ElementWestern term
Fire, Earth, Air, Water — the four temperaments the signs sort into. Roughly, Fire drives, Earth builds, Air thinks, Water feels.The Chinese five elements (Wood, Fire, Earth, Metal, Water) are a different set that happen to share the name.
ModalityQualityWestern term
Cardinal, Fixed, or Mutable — whether a sign starts things, holds them steady, or adapts.
SectWestern term
Whether you were born in daytime or nighttime hours, which shifts how some planets are weighed.An ancient distinction the Engine reads straight from your birth time.
MidheavenMCWestern term
The highest point of the chart — public life, career, reputation, what you're known for.Needs an exact birth time, like the Ascendant.
ProfectionWestern term
A yearly timing method: each birthday hands the year to the next house, spotlighting a new theme.Calculated — it's how a given year gets its subject.
Solar returnWestern term
The chart cast for the exact moment the Sun returns to its birth position each year — a 'chart of your year.'
NakshatraVedic term
One of 27 lunar mansions the Moon moves through — older than the twelve signs, and central to Vedic meaning and timing.
DashaVedic term
A planetary period, sometimes years long, that colors a whole chapter of life. Vedic's signature timing engine.
Day MasterBaZi term
The day-pillar stem that stands for you — the reference point every other pillar is read against.
Luck PillarBaZi term
A ten-year elemental season layered over the birth chart — the weather that moves through a life.
PalaceZi Wei term
One of twelve life-domains — career, wealth, marriage, health, and the rest — that the stars get distributed across.
TypeHuman Design
One of four (Generator, Projector, Manifestor, Reflector) — the top-level label for how your energy is designed to work.
AuthorityHuman Design
Your body's decision-making signal (emotional, sacral, and so on) — Human Design's advice on how to choose.
Gate / ChannelHuman Design
The I-Ching-numbered points (gates) and the wires between them (channels) that define your body-graph.
Life Path numberNumerology
The single digit distilled from your birth date — numerology's headline number.
ArcanaTarot
The two halves of the tarot deck: 22 Major (the big themes) and 56 Minor (the daily texture).
← All of Learn